Is there a difference between a Convection Oven and an Air Fryer?
I'm in the market for a new range. As the subject line asks, “Is there a difference between a Convection Oven and an Air Fryer?”
I ask because I can't tell the difference. They both seem the same to me. They are both dry heat circulated by a fan.
I'm looking at ranges that say they are air-fryers, at a cost over ordinary convection ranges. I have a counter-top air fryer that I love, but how is it different from an ordinary convection oven? Does the code word air fryer really carry any science with it?
EDIT UPDATE: I understand the marketing behind the little countertop Air Fryers. I have one and enjoy it. It's great when you need a small quantity. My confusion is when large convection (fan) ranges advertise an Air Fry function. Such as this one: 
I'm trying to imagine the difference between convection (fan) mode and Air Fry mode for such a range. To me, I don't see any difference between fan mode and Air Fry mode--I'm beginning to think it's a gimmick so that they can charge slightly more.
Best Answer
Yes, when you switch the fan on, it is essentially a large air fryer. The only real difference is that air fryers have a smaller volume of air to heat, which makes them more efficient. It's not all just marketing hype, these little fan ovens do have benefits over large fan ovens.
Just a note here about oven nomenclature - what Americans call a "Convection oven" is called a "fan oven" here in the UK, and I suspect some other English speaking countries. For us "convection" means without a fan, using natural convection currents, precisely the opposite of what it means in America. It's a total mystery to me as to why/how this has happened.
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Quick Answer about "Is there a difference between a Convection Oven and an Air Fryer?"
Convection cooking uses a fan, an exhaust system to control airflow, and a heating element that work together to heat your food. An air fryer is a small, cylindrical countertop home appliance that has a vented heating basket that evenly filters in hot air.Can a convection oven be used as an air fryer?
Can I use my convection oven as an air fryer? You can air fry in your convection oven and still achieve great results as with a countertop air fryer. In fact, using your convection oven can actually be more convenient, since you have more cooking room to work with.Which is better a convection oven or an air fryer?
Air fryers cook more quickly than convection ovens. You use less oil in an air fryer. Food gets crispier in an air fryer. Convection ovens are typically larger than air fryers and can fit more food.Is an Air Fryer just a Convection Oven? Let's put it to the test.
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Answer 2
Air Fryer is a great example of an old technology being sold as something new with some good marketing.
Air Fryer is in essence a micro convection oven. The technology certainly not new and is in certain ways just a rebranding of an old technology.
That being said, it does not take away from an air fryers usefullness. Although some of the marketing is a bit tosh there is no denying the convenience it can provide.
It certainly makes sense to have a mini-oven for when you want to cook something small that does not justify using a full oven for.
It has much more merit to it than a lot of kitchen-gadget fads we have seen over the years.
Answer 3
Air fryers really took off during the pandemic as people suddenly started cooking for themselves more. There are a lot of people familiar with an air fryer that don't realize a convection oven does essentially the same thing. "Convection oven" often either means nothing to people or reminds them of the old toaster oven their grandma had with the mechanical timer you turn.
So if they want to attract that demographic who might want to make larger batches of their favorite air fryer recipes, marketers use the "air fry" phrase. I doubt "air fry" is actually a distinct mode from regular convection, although they might add some of the features of higher-end air fryers, such as food-specific presets.
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